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Nut, hex, nyloc, zinc plated, GR 4.8, BSF, 19.05 mm, 12 TPI, Fastbolt.

Brand: Fastbolt
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A nyloc nut, also referred to as a nylon-insert lock nut, polymer-insert lock nut, or elastic stop nut, is a kind of locknut with a nylon collar that increases friction on the screw thread. Zinc plated fasteners are the most common used plating. This ensures good rust-resisting qualities, appearance and low cost.

Product properties
Brand Fastbolt
Category Nyloc
Outside Diameter (mm) 19.05
Grade 4.8
Material Mild Steel
Series Imperial
Thread Type BSF
Type Nyloc
Surface Finish Zinc Plated
TPI 12.0